Home / 229,013.38-316,027.35-127,042.90

Finding the Fourth Proportional to 229,013.38, 316,027.35 and 127,042.90

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Solution

The fourth proportional to 229,013.38, 316,027.35 and 127,042.90 is: 175,313.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,013.38 : 316,027.35 = 127,042.90 : x
  2. Step 2: Convert to fraction form
    229,013.38/316,027.35 = 127,042.90/x
  3. Step 3: Cross multiply
    229,013.38x = 316,027.35 × 127,042.90
  4. Step 4: Simplify right side
    229,013.38x = 40,149,031,023.32
  5. Step 5: Solve for x
    x = 40,149,031,023.32/229,013.38
  6. Step 6: Final answer
    x = 175,313.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.